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Chemistry

Chemistry
The gas used for artificial ripening of green fruit is

ethylene
acetylene
ethane
carbon dioxide

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Chemistry
Aerated water contains

H2
NO2
SO2
CO2

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Chemistry
Synthetic detergents are prepared from

Hydrocarbons of petroleum
Potassium salts of higher fatty-acids
Glycerides
Sodium salts of higher fattyacids

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Chemistry
Commercial Vaseline is derived from

Coal tar
Petroleum
Plant gums
Wool wax

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Stabilise the colloid and prevent crystallisation
Stabilise mixture
Enrich the aroma
Prevent making a colloid

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Chemistry
In a Carbonyl group a carbon atom makes double bond with

Carbon
Hydrogen
Oxygen
None of these

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MORE MCQ ON Chemistry

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